Such a fistula may be the anastomosis of a natural artery and vein, a bovine graft, or a synthetic polytetrafluoroethylene (PTFE) graft. The bovine graft is taken from the bovine carotid artery and anastomosed to the vein and artery of the patient.
Definition of verify. verified. ; verifying. transitive verb. 1 : to confirm or substantiate in law by oath. 2 : to establish the truth, accuracy, or reality of verify the claim.
verb (used with object) 1. to found, institute, build, or bring into being on a firm or stable basis: to establish a university; to establish a medical practice. 2. to install or settle in a position, place, business, etc.: to establish one's child in business. 3. to show to be valid or true; prove: to establish the facts of the matter.